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In an experiment, an old metal coin initially at 330.0 C was removed from the oven and quickly placed into 85 gram of water inside a styrofoam coffee cup. The initial temperature of the water was 25.4 C and the final temperature of both the water and metal was 36.6 C. If the specific heat "c" for the metal is 0.916 J/g xC and the specific heat of water is 4.184 J/gC, what was the mass of the coin?

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